
Умножение и упрощение многочленов
Authored by Александра Соколова
Mathematics
7th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Умножьте 3x на многочлен 2x^2 + 4x - 5.
6x^3 + 8x^2 - 15x
6x^3 + 4x^2 - 5x
6x^3 + 12x^2 - 15x
3x^2 + 4x - 5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Сложите одночлены 5y и 3y.
8x
5y + 3y
8y
2y
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Упростите многочлен 4x^2 + 2x - 3x^2 + 7.
x^2 + 2x + 7
4x^2 - x + 7
x^2 - 2x - 3
3x^2 + 2x + 4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой коэффициент у x в многочлене 6x^2 + 4x - 2?
4
0
6
-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Умножьте -2a на многочлен a^2 + 3a + 1.
2a^3 + 6a^2 + 2a
-2a^3 + 3a^2 - 2a
-2a^3 - 3a^2 + 1
-2a^3 - 6a^2 - 2a
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Сложите одночлены 7m^2 и -2m^2.
3m^2
-5m^2
7m^2
5m^2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Упростите многочлен 5x - 3 + 2x + 4.
7x - 3
7x + 1
2x - 3
5x + 7
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